Born in Jerez de la Frontera (Cádiz) on 28 November 1960, he graduated in Law from the University of Seville. He entered the Diplomatic School in Madrid in January 1985. In 1985, he started his diplomatic career as Head of the Office for the Pacific and Security Agreements in the Directorate-General for Asia, the Pacific and North America of the Ministry of Foreign Affairs. The following year, he became Head of the Political-Military Affairs Office in the Directorate General for International Security and Disarmament Affairs. In 1987, in the same Directorate General, he assumed the post of Director of the Office of Atlantic Affairs. Between 1988 and 1993 he was responsible for Political-Military Affairs (DPC, DRC, EWG, NPG, Eurogroup, Alerts Committee, etc.) with the post of Spokesman in the Spanish Delegation to NATO. Between 1993 and 1995 he was posted to Brazil where he served as Cultural and Cooperation Counsellor at the Spanish Embassy. From June to December 1995, he returned to the Directorate-General for International Security and Disarmament Affairs for the Spanish Presidency of the European Union, where he was in charge of all issues related to the working groups for Security of the CFSP (Common Foreign and Security Policy) and the WEU. From January to May 1996, he was Executive Adviser to the Minister of Defence. From May 1996 to September 1999, he was Director of Cabinet to the Secretary General of NATO.  From September 1999 to July 2004, he was Minister Counsellor at the Spanish Embassy in Italy and Spanish Governor of the International Fund for Agricultural Development (IFAD).  From August 2004 to August 2005, he was Minister Counsellor at the Spanish Embassy in Morocco. From September 2005 to July 2008, he was Chief Deputy Director General of the Gibraltar Affairs Office. From August 2008 to August 2010, he was Director General for the United Nations, Global Affairs and Human Rights.  From August 2010 to January 2011, he took up the post of Director General for Multilateral Affairs. From February 2011 to May 2014, he was Ambassador of Spain to the Republic of the Philippines, the Republic of Palau, the Republic of the Marshall Islands, and the Federated States of Micronesia. In May 2012, he was Alternate Governor for Spain at the 45th Annual Meeting of the Board of Governors of the Asian Development Bank. From May 2014 to January 2015 he was Ambassador Permanent Representative of Spain to the OSCE. From February 2015 to February 2020 he was Executive Director of the European Defence Agency. Since 1 September 2020, he has been Director of Institutional Relations Spain and Strategy Advisor at Airbus. In addition, Jorge Domecq is a member of the Advisory Board of the University Institute of European Studies of the San Pablo CEU University (Madrid). From 2006 to 2008, he was appointed by the NATO Military Committee as a member of the Academic Council of the NATO Defence College (Rome). He holds the certificate of the Master of Public Service Leadership (IESE, Madrid) 2007-2008, the diploma of the 69th NATO Defence College Course (Rome). He has been a member of the European Leadership Network since 2020. He is also the author of numerous articles on political-military and defense issues that have been published in Spanish journals. He speaks Spanish, English, French, and Italian. He holds several decorations: Cross of Spanish Naval Merit (first class), Commander and Officer of the Order of Civil Merit, Commander of the Order of Civil Merit, Commander and Officer of the Order of Isabella the Catholic, Commander of the Order of Isabella the Catholic, Grand Officer of the Order of Wissam Al-Alaoui (Morocco), Grand Officer of the Order of the Stella (Italy), Knight Commander of the Third Degree of the Order of the Knights of Rizal, Grand Cross of the Order of Sikatuna, Gold Distinction, Republic of the Philippines. He is married and has two daughters.